C64 Palettes
The C64's 16 colours are fixed in hardware; their exact RGB values are not, and every emulator and renderer decides them differently. These are the renderings C64GFX matches artwork against.
VICE3_6_Pepto_PAL
VICE3_6_Pixcen
VICE3_6_VICE_Internal
VICE3_6_Ptoing
Lemon64
VICE3_6_Pepto_PAL_CRT
PIXCEN_Colodore
PETSCIIEditor-FromJmin
UsedBySande
VICE3_7_1_PEPTO
VICE3_6_Deekay
VICE3_6_Pepto_PAL_Old
VICE3_6_Colodore
VICE_6569
VICE3_6_C64S
VICE3_6_VICE
VICE3_6_PALette
VICE3_6_Pepto_NTSC_Sony
VICE3_6_Ptoing_CRT
VICE3_6_CCS64
VICE3_6_CommunityColours
VICE3_8_Pepto_PAL
VICE3_8_VICE_Internal
VICE3_6_Pepto_NTSC_CRT
VICE3_6_Colodore_CRT
VICE3_6_Pepto_PAL_OldCRT
VICE3_6_Pixcen_CRT
VICE3_6_Pepto_NTSC
VICE3_6_CommunityColours_CRT
VICE3_6_PC64
VICE3_6_Frodo_CRT
VICE3_6_Godot
VICE3_6_C64HQ
PALette_C64_v1r
PEPTOette_a
VICE3_6_C64HQ_CRT
VICE3_6_C64S_CRT
VICE3_6_CCS64_CRT
VICE3_6_ChristopherJam
VICE3_6_ChristopherJam_CRT
VICE3_6_Deekay_CRT
VICE3_6_Frodo
VICE3_6_Godot_CRT
VICE3_6_PALette_CRT
VICE3_6_PC64_CRT
VICE3_6_Pepto_NTSC_SonyCRT
VICE3_6_RGB
VICE3_6_RGB_CRT
VICE3_6_VICE_CRT
VICE3_8_C64HQ
VICE3_8_C64S
VICE3_8_CCS64
VICE3_8_ChristopherJam
VICE3_8_Colodore
VICE3_8_CommunityColours
VICE3_8_Deekay
VICE3_8_Frodo
VICE3_8_Godot
VICE3_8_PALette
VICE3_8_PALette_6569R1
VICE3_8_PALette_6569R5
VICE3_8_PALette_8565R2
VICE3_8_PC64
VICE3_8_Pepto_NTSC
VICE3_8_Pepto_NTSC_Sony
VICE3_8_Pepto_OldPAL
VICE3_8_Pixcen
VICE3_8_Ptoing
VICE3_8_RGB
VICE3_8_VICE_Original
TheSargeSpecial
Weird8ColLoadingScreen
FromFoxsFont
NTSCVICE